Waterproof adhesive. simple recipes

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FACTORY TECHNOLOGIES AT HOME - SIMPLE RECIPES
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Waterproof adhesive. Simple recipes and tips

Factory technologies - simple recipes

Directory / Factory technology at home - simple recipes

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How to cook waterproof glue?

To prepare a glue that is not afraid of dampness, you can use freshly curdled milk or cottage cheese, which is mixed with slaked lime to obtain a homogeneous thick mass, which is applied in a thin, even layer on the wooden surfaces to be glued, which are then strongly compressed and dried.

Another way: 100 g of good carpentry glue is boiled in a glass of water until molasses thickens and then 35 g of drying oil is dissolved in it. Use this glue in a heated state. Parts of the tree glued with this glue are not afraid of either cold or hot water and become completely impenetrable from it. With regard to the preparation of liquid wood glue, the following is considered the best way: 10 parts by weight of the best wood glue are boiled in the usual way and, when it has completely blossomed, 1 part by weight of hydrochloric acid and 1,5 parts of zinc sulfate are added to it. Then the whole mixture is kept warm (at 60-70 ° C) for half a day, after which the glue remains liquid even after cooling and perfectly glues not only wooden parts, but also glass, porcelain, metals, etc.

If such glue stands in the cold for a very long time and hardens, then it is enough to lower it with a vessel into warm water for a few minutes so that it becomes liquid again.

Author: Korolev V.A.

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